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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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affected on

Grammar usage guide and real-world examples

USAGE SUMMARY

"affected on" is not correct or usable in written English.
You can use "affected by" instead. For example: "This law significantly affected by the population."

⚠ May contain grammatical issues

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

Five patients were affected on both feet, one patient on one foot.

They also documented my psychic shift from a numbed observer to one deeply affected on a personal level.

News & Media

Huffington Post

Traffic was even affected on the Hudson River.

News & Media

The New York Times

Forecasts suggest British airspace may be affected on Thursday, with flight disruption a possibility.

TAP Portugal has announced that London-Lisbon flights will also be affected on both days.

John Marshall from Brisbane, was affected on Tuesday and the problem continued on Thursday.

In the event of a strike, about 200 employees would be affected on a given day.

News & Media

The New York Times

The mobile operator was forced to apologise after millions of customers were affected on Friday.

Airlines said it was unclear how schedules would be affected on Tuesday morning.

News & Media

The New York Times

St Paul was not more deeply affected on the road to Damascus.

Tropical air from the Mediterranean regions (87 days affected on average) is always warm and moist.

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Expert writing Tips

Best practice

When describing the impact of something, consider stronger verbs like "influenced", "impacted", or "altered" to convey a more precise meaning than "affected".

Common error

Avoid using "on" after "affected". The correct preposition is almost always "by". For example, don't write "The results were affected on the new policy." Instead, write "The results were affected by the new policy."

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

81%

Authority and reliability

2.1/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "affected on" functions as a prepositional phrase, but it is grammatically incorrect. According to Ludwig AI, the correct form is "affected by". It attempts to describe the state of being influenced or changed by something.

Expression frequency: Very common

Frequent in

Science

39%

News & Media

35%

Wiki

5%

Less common in

Encyclopedias

2%

Formal & Business

2%

Reference

0%

Ludwig's WRAP-UP

The phrase "affected on" is frequently found across various sources, but it's grammatically incorrect. The correct usage is "affected by". Ludwig AI highlights this error, recommending the use of "affected by" instead. While it appears in contexts like Science and News & Media, it's important to avoid this phrase in formal writing. Consider using alternatives like "influenced by" or "impacted by" for clarity and correctness. Always double-check your preposition usage to ensure your writing is grammatically sound.

FAQs

What is the correct way to use "affected" in a sentence?

The correct way is to use "affected by". For example, "The community was severely "affected by" the recent hurricane."

What preposition should I use after "affected"?

The most appropriate preposition to use after "affected" is "by". Using other prepositions like "on" is grammatically incorrect.

Is "affected on" grammatically correct?

No, "affected on" is not grammatically correct. The correct phrasing is ""affected by"".

What can I say instead of "affected on"?

Since "affected on" is incorrect, you can use phrases like "influenced by", "impacted by", or "changed by" to convey a similar meaning.

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Source & Trust

81%

Authority and reliability

2.1/5

Expert rating

Real-world application tested

Most frequent sentences: